CVE-2008-4963

N/A Unknown
Published: November 06, 2008 Modified: April 23, 2026
View on NVD

Description

Unspecified vulnerability in the VLAN Trunking Protocol (VTP) implementation on Cisco IOS and CatOS, when the VTP operating mode is not transparent, allows remote attackers to cause a denial of service (device reload or hang) via a crafted VTP packet sent to a switch interface configured as a trunk port.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://osvdb.org/49601
Source: cve@mitre.org
http://secunia.com/advisories/32573
Source: cve@mitre.org
Vendor Advisory
http://securitytracker.com/id?1021143
Source: cve@mitre.org
http://www.cisco.com/en/US/products/products_security_response09186a0080a231cf.html
Source: cve@mitre.org
Vendor Advisory
http://www.securityfocus.com/bid/32120
Source: cve@mitre.org
http://www.securitytracker.com/id?1021144
Source: cve@mitre.org
https://exchange.xforce.ibmcloud.com/vulnerabilities/46346
Source: cve@mitre.org
http://osvdb.org/49601
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/32573
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://securitytracker.com/id?1021143
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.cisco.com/en/US/products/products_security_response09186a0080a231cf.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securityfocus.com/bid/32120
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id?1021144
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/46346
Source: af854a3a-2127-422b-91ae-364da2661108

14 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.9%
76th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

cisco